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path: root/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c36
1 files changed, 20 insertions, 16 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
index 261416165fdf..bd0542511327 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
@@ -186,6 +186,25 @@ static void mmhub_v1_0_enable_system_domain(struct amdgpu_device *adev)
WREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT0_CNTL), tmp);
}
+static void mmhub_v1_0_disable_identity_aperture(struct amdgpu_device *adev)
+{
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+ mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32),
+ 0XFFFFFFFF);
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+ mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32), 0x0000000F);
+
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+ mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32), 0);
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+ mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32), 0);
+
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+ mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32), 0);
+ WREG32(SOC15_REG_OFFSET(MMHUB, 0,
+ mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32), 0);
+}
+
int mmhub_v1_0_gart_enable(struct amdgpu_device *adev)
{
u32 tmp;
@@ -210,22 +229,7 @@ int mmhub_v1_0_gart_enable(struct amdgpu_device *adev)
mmhub_v1_0_init_cache_regs(adev);
mmhub_v1_0_enable_system_domain(adev);
-
- /* Disable identity aperture.*/
- WREG32(SOC15_REG_OFFSET(MMHUB, 0,
- mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_LO32), 0XFFFFFFFF);
- WREG32(SOC15_REG_OFFSET(MMHUB, 0,
- mmVM_L2_CONTEXT1_IDENTITY_APERTURE_LOW_ADDR_HI32), 0x0000000F);
-
- WREG32(SOC15_REG_OFFSET(MMHUB, 0,
- mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_LO32), 0);
- WREG32(SOC15_REG_OFFSET(MMHUB, 0,
- mmVM_L2_CONTEXT1_IDENTITY_APERTURE_HIGH_ADDR_HI32), 0);
-
- WREG32(SOC15_REG_OFFSET(MMHUB, 0,
- mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_LO32), 0);
- WREG32(SOC15_REG_OFFSET(MMHUB, 0,
- mmVM_L2_CONTEXT_IDENTITY_PHYSICAL_OFFSET_HI32), 0);
+ mmhub_v1_0_disable_identity_aperture(adev);
for (i = 0; i <= 14; i++) {
tmp = RREG32(SOC15_REG_OFFSET(MMHUB, 0, mmVM_CONTEXT1_CNTL)